For the Inventor, By the Inventor

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St. Gallen, undefined

L. Kellenberger & Co. Ag

USPTO Granted Patents = 2

EPO Patents = 2

Forward Citations = 9

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7 inventors (with patents filed for the assignee):

Hugo Thurnherr (2 out of 3 patents)

Daniel Honegger (1 out of 2 patents)

Claus P Keferstein (1 out of 3 patents)

4. Bernard Gschwend (1 out of 2 patents)

5. Markus Ritter (1 out of 2 patents)

6. Emil Eugster (1 out of 1 patent)

7. Anton Ilek (1 out of 1 patent)

8. Michael Egeter (0 patent)

9. Fabrizio Dossena (0 patent)

2 patents: Sort by Forward Citations

1. 8403725 - Method and device for machining workpieces (2013-03-26),

2. 5335454 - Procedure for the numerical control of a workpiece on a grinding machine (1994-08-09),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1 in St. Gallen

#10,495 in unknown

St. Gallen, undefined

L. Kellenberger & Co. Ag

Forward Citations = 9

7 inventors:

Hugo Thurnherr (2 out of 3 patents)

Daniel Honegger (1 out of 2 patents)

Claus P Keferstein (1 out of 3 patents)

4. Bernard Gschwend (1 out of 2 patents)

5. Markus Ritter (1 out of 2 patents)

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